﻿using System;

class OddEven
{
    static void Main()
    {
        //Exercise 1.
        //Write an expression that checks if given integer is odd or even.

        Console.Write("Please entre an integer: ");        
        int a = int.Parse(Console.ReadLine());
        Console.WriteLine(a % 2 == 0 ? "It's even." : "It's odd.");        

    }
}
